GB/T 29465  法兰 RF 00-1.6/44-100al76

2 FM 1800-1.6 δ1=35Wo450(b)B2-8 TR

Bi 27316.8ÃF5RF00-1.6/44-100al76

DN25/PN40/11B S=2کط£ئ’6أ¯آ¼â

b wn750-150 rf 80 /15

WN50-300 RF Sch80 H1

wn20-150FMclass150100)-1FSc0F63F-150∙0M7-2500

BL40-63 FM=10.2

WN 150-2500 RJ S=XXS

WN 200-150 R